Tree reservoir



FIG. 1 is a front and top perspective view of the tree reservoir showing my new design;

FIG. 2 is a reduced rear, bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof. 

The ornamental design for tree reservoir, as shown and described. 